#include <ctime>
#include <iostream>
#include <fstream>
using namespace std;
void bubblesort(int list[], int listlength) {
    while (listlength--) {
        bool swapped = false;
        for(int i = 0; i < listlength; i++) {
            if(list[i] > list[i + 1]){
                swap(list[i], list[i + 1]);
                swapped = true;
                }}
        if(swapped == false) break;
                }}
void read_from_file(const char *filename, int a[], int length){
    ifstream file (filename);
    for(int i=0; i < length; i++)
    file >> a[i];
}
int main(){

    #define LEN 5000
    int a[LEN];
    read_from_file("ml_sorted.txt",a,LEN);
    unsigned int t_start = clock();
    bubblesort (a, LEN) ;
    unsigned int t_finish = clock();
    unsigned int t_work = t_finish - t_start;
    cout<<"ml_sorted " << t_work << " milliseconds \n";
    read_from_file("m2_reverse.txt",a,LEN);
    t_start = clock();

    bubblesort (a, LEN) ;
    t_finish = clock();
    t_work = t_finish - t_start;
    cout<<"m2 reverse " << t_work << " milliseconds \n";
    read_from_file("m3_shuffle.txt",a,LEN);
    t_start = clock();
    bubblesort (a, LEN) ;
    t_finish = clock();
    t_work = t_finish - t_start;
    cout<<"m3_shuffle " << t_work << " milliseconds \n";
    return 0;}
